[PATCH AUTOSEL 5.7 195/274] mt76: mt7615: fix mt7615_driver_own routine
From: Sasha Levin <sashal@kernel.org>
Date: 2020-06-08 23:12:05
Also in:
linux-arm-kernel, linux-mediatek, linux-wireless, lkml, stable
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
From: Lorenzo Bianconi <lorenzo@kernel.org>
[ Upstream commit 338061619185133f56ac17365deb1e75eaecc604 ]
Introduce MT_PCIE_DOORBELL_PUSH register to fix mt7615_driver_own
routine for mt7663e
Fixes: f40ac0f3d3c0 ("mt76: mt7615: introduce mt7663e support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 6 +++++-
drivers/net/wireless/mediatek/mt76/mt7615/regs.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 0d56e0834bde..29a7aaabb6da 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c@@ -1526,16 +1526,20 @@ static void mt7622_trigger_hif_int(struct mt7615_dev *dev, bool en) static int mt7615_driver_own(struct mt7615_dev *dev) { + struct mt76_dev *mdev = &dev->mt76; u32 addr; - addr = is_mt7663(&dev->mt76) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST; + addr = is_mt7663(mdev) ? MT_PCIE_DOORBELL_PUSH : MT_CFG_LPCR_HOST; mt76_wr(dev, addr, MT_CFG_LPCR_HOST_DRV_OWN); mt7622_trigger_hif_int(dev, true); + + addr = is_mt7663(mdev) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST; if (!mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000)) { dev_err(dev->mt76.dev, "Timeout for driver own\n"); return -EIO; } + mt7622_trigger_hif_int(dev, false); return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index f7c2a633841c..de0ef165c0ba 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h@@ -65,6 +65,7 @@ enum mt7615_reg_base { #define MT_HIF2_BASE 0xf0000 #define MT_HIF2(ofs) (MT_HIF2_BASE + (ofs)) #define MT_PCIE_IRQ_ENABLE MT_HIF2(0x188) +#define MT_PCIE_DOORBELL_PUSH MT_HIF2(0x1484) #define MT_CFG_LPCR_HOST MT_HIF(0x1f0) #define MT_CFG_LPCR_HOST_FW_OWN BIT(0)
--
2.25.1